Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Mar. 31, 2021	6,116,073
Balance at Mar. 31, 2021	$ 122	$ 33,267	$ (16,348)	$ 17,041
Issuances of vested shares of restricted stock (in shares)	34,751
Issuances of vested shares of restricted stock	$ 1	(40)	0	(39)
Shares withheld for tax payments (in shares)	(12,096)
Share-based compensation expense		120		120
Net (loss) income			1,491	1,491
Net income (loss)			1,491	1,491
Balance (in shares) at Sep. 30, 2021	6,138,728
Balance at Sep. 30, 2021	$ 123	33,347	(14,857)	18,613
Balance (in shares) at Jun. 30, 2021	6,117,719
Balance at Jun. 30, 2021	$ 122	33,285	(15,827)	17,580
Issuances of vested shares of restricted stock (in shares)	32,210
Issuances of vested shares of restricted stock		(37)		(36)
Shares withheld for tax payments (in shares)	(11,201)
Share-based compensation expense		99		99
Net (loss) income			970	970
Net income (loss)			970	970
Balance (in shares) at Sep. 30, 2021	6,138,728
Balance at Sep. 30, 2021	$ 123	33,347	(14,857)	18,613
Balance (in shares) at Mar. 31, 2022	6,202,223
Balance at Mar. 31, 2022	$ 124	33,557	(14,194)	19,487
Issuances of common stock for Director Stock Grants (in shares)	64,489
Issuances of common stock for Director Stock Grants	$ 1	157	0	158
Issuances of vested shares of restricted stock (in shares)	8,312
Issuances of vested shares of restricted stock	$ 0	(10)	0	(10)
Shares withheld for tax payments (in shares)	(3,053)
Share-based compensation expense		63		63
Net (loss) income			(1,412)	(1,412)
Net income (loss)			(1,412)	(1,412)
Balance (in shares) at Sep. 30, 2022	6,271,971
Balance at Sep. 30, 2022	$ 125	33,767	(15,606)	18,286
Balance (in shares) at Jun. 30, 2022	6,203,643
Balance at Jun. 30, 2022	$ 124	33,576	(14,666)	19,034
Issuances of common stock for Director Stock Grants (in shares)	64,489
Issuances of common stock for Director Stock Grants	$ 1	157	0	158
Issuances of vested shares of restricted stock (in shares)	6,035
Issuances of vested shares of restricted stock		(7)		(7)
Shares withheld for tax payments (in shares)	(2,196)
Share-based compensation expense		41		41
Net (loss) income			(940)	(940)
Net income (loss)			(940)	(940)
Balance (in shares) at Sep. 30, 2022	6,271,971
Balance at Sep. 30, 2022	$ 125	$ 33,767	$ (15,606)	$ 18,286